: This is the most effective strategy for Southwest. Since the airline has no change fees , you should book as soon as you see a fair price. If the price drops later, you can "change" your flight to the same one at the lower rate and receive the difference as a future flight credit .
: Mark your calendar for Southwest's biggest annual sales, which typically occur in early June (Summer Sale) and October (Fall/Winter Sale). Best Days to Actually Fly best day to buy southwest tickets
: To keep your funds as a flight credit, you must cancel at least 10 minutes before your scheduled departure. Fare Information and Rules | Southwest Airlines : This is the most effective strategy for Southwest
: Book 3 to 4 months ahead to avoid sharp price hikes. : Mark your calendar for Southwest's biggest annual